Synopsis

Kunimi Hiro, an ace pitcher, quits baseball due to an elbow injury, which was diagnosed when he was in junior high. Now a high schooler at Senkawa High School, he wants to join the Soccer Club. On his way to tryouts, he meets Koga Haruka, who is the manager of the Baseball Circle.
During a match between the Baseball Circle and Soccer Club, Kunimi switches sides, but the circle still loses. However, as a result the principal decides to create an official Baseball Club. Kunimi and Koga both work toward their goal: the inter-high championship tournament.